-- @testpoint: opengauss关键字synonym(非保留)，作为函数名,部分测试点合理报错

--关键字不带引号-成功
drop function if exists synonym;
create function synonym(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists synonym(integer);
--关键字带双引号-成功
drop function if exists "synonym";
create function "synonym"(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
drop function if exists "synonym"(integer);
--关键字带单引号-合理报错
drop function if exists 'synonym';
create function 'synonym'(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
--关键字带反引号-合理报错
drop function if exists `synonym`;
create function `synonym`(i integer)
returns integer
as $$
begin
    return i+1;
end;
$$ language plpgsql;
/
